ADA4661-2

更新时间： 2024-11-04 12:53:47

品牌	Logo	应用领域
亚德诺 - ADI		运算放大器
页数	文件大小	规格书
32页	904K
描述
18 V, Precision, 725 A, 4 MHz, CMOS RRIO Operational Amplifier

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ADA4661-2 数据手册

18 V, Precision, 725 µA, 4 MHz,

CMOS RRIO Operational Amplifier

ADA4661-2

Data Sheet

FEATURES

PIN CONNECTION DIAGRAMS

Low power at high voltage (18 V): 725 μA maximum

Low offset voltage

150 µV maximum at V_SY/2

OUT A

–IN A

+IN A

V–

V+

ADA4661-2

OUT B

–IN B

+IN B

TOP VIEW

(Not to Scale)

300 µV maximum over entire common-mode range

Low input bias current: 15 pA maximum

Gain bandwidth product: 4 MHz typical at A_V= 100

Unity-gain crossover: 4 MHz typical

−3 dB closed-loop bandwidth: 2.1 MHz typical

Single-supply operation: 3 V to 18 V

Dual-supply operation: 1.5 V to 9 V

Unity-gain stable

Figure 1. 8-Lead MSOP

OUT A 1

8 V+

–IN A 2

+IN A 3

V– 4

7 OUT B

6 –IN B

5 +IN B

ADA4661-2

TOP VIEW

(Not to Scale)

NOTES

1. CONNECT THE EXPOSED PAD TO V– OR

LEAVE IT UNCONNECTED.

APPLICATIONS

Figure 2. 8-Lead LFCSP

Current shunt monitors

Active filters

Portable medical equipment

Buffer/level shifting

High impedance sensor interfaces

Battery powered instrumentation

250

200

150

100

= 18V

–50

–100

–150

–200

–250

GENERAL DESCRIPTION

The ADA4661-2 is a dual, precision, rail-to-rail input/output

amplifier optimized for low power, high bandwidth, and wide

operating supply voltage range applications.

The ADA4661-2 performance is guaranteed at 3.0 V, 10 V,

and 18 V power supply voltages. It is an excellent selection for

applications that use single-ended supplies of 3.3 V, 5 V, 10 V, 12

V and 15 V, and dual supplies of 2.5 V, 3.3 V, and 5 V. It

uses the Analog Devices, Inc., patented DigiTrim® trimming

technique, which achieves low offset voltage. Additionally, the

unique design architecture of the ADA4661-2 allows it to have

excellent power supply rejection, common-mode rejection, and

offset voltage when operating in the common-mode voltage

range of −V_SY+ 1.5 V to +V_SY− 1.5 V.

1.5 3.0 4.5 6.0 7.5 9.0 10.5 12.0 13.5 15.0 16.5 18.0

(V)

Figure 3. Input Offset Voltage vs. Common-Mode Voltage

Table 1. Precision Low Power Op Amps (<1 mA)

Supply Voltage

5 V

12 V to 16 V 30 V

Single

ADA4505-1

AD8500

ADA4505-2

AD8502

AD8506

OP196

OP777

Dual

AD8657

OP296

ADA4661-2

ADA4666-2

AD8659

OP496

ADA4096-2

OP727

AD8682

AD8622

ADA4096-4

OP747

The ADA4661-2 is specified over the extended industrial

temperature range (−40°C to +125°C) and is available in

8-lead MSOP and 8-lead LFCSP (3 mm × 3 mm) packages.

Quad

ADA4505-4

AD8504

AD8508

AD8684

AD8624

Rev. 0

Document Feedback

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rightsof third parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks andregisteredtrademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Technical Support

www.analog.com

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与ADA4661-2相关器件

型号	品牌	获取价格	描述	数据表
ADA4661-2ACPZ-R7	ADI	获取价格	18 V, Precision, 725 A, 4 MHz, CMOS RRIO Operational Amplifier
ADA4661-2ACPZ-RL	ADI	获取价格	18 V, Precision, 725 A, 4 MHz, CMOS RRIO Operational Amplifier
ADA4661-2ARMZ	ADI	获取价格	18 V, Precision, 725 A, 4 MHz, CMOS RRIO Operational Amplifier
ADA4661-2ARMZ-R7	ADI	获取价格	18 V, Precision, 725 A, 4 MHz, CMOS RRIO Operational Amplifier
ADA4661-2ARMZ-RL	ADI	获取价格	18 V, Precision, 725 A, 4 MHz, CMOS RRIO Operational Amplifier
ADA4665-2	ADI	获取价格	Operational Amplifiers Selection Guide
ADA4665-2_16	ADI	获取价格	16 V, 1 MHz, CMOS Rail-to-Rail Input/Output Operational Amplifier
ADA4665-2ARMZ	ADI	获取价格	16 V, 1 MHz, CMOS Rail-to-Rail Input/Output Operational Amplifier
ADA4665-2ARMZ1	ADI	获取价格	16 V, 1 MHz, CMOS Rail-to-Rail Input/Output Operational Amplifier
ADA4665-2ARMZ-R7	ADI	获取价格	16 V, 1 MHz, CMOS Rail-to-Rail Input/Output Operational Amplifier

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